Finding the Fourth Proportional to 269.99, 372.49 and 151.94
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Solution
The fourth proportional to 269.99, 372.49 and 151.94 is: 209.63
Step by Step Solution
- Step 1: Write the proportion equation
269.99 : 372.49 = 151.94 : x - Step 2: Convert to fraction form
269.99/372.49 = 151.94/x - Step 3: Cross multiply
269.99x = 372.49 × 151.94 - Step 4: Simplify right side
269.99x = 56,596.13 - Step 5: Solve for x
x = 56,596.13/269.99 - Step 6: Final answer
x = 209.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.